Home / 1,578,081.51-2,177,708.83-889,747.29

Finding the Fourth Proportional to 1,578,081.51, 2,177,708.83 and 889,747.29

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Solution

The fourth proportional to 1,578,081.51, 2,177,708.83 and 889,747.29 is: 1,227,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,081.51 : 2,177,708.83 = 889,747.29 : x
  2. Step 2: Convert to fraction form
    1,578,081.51/2,177,708.83 = 889,747.29/x
  3. Step 3: Cross multiply
    1,578,081.51x = 2,177,708.83 × 889,747.29
  4. Step 4: Simplify right side
    1,578,081.51x = 1,937,610,527,677.20
  5. Step 5: Solve for x
    x = 1,937,610,527,677.20/1,578,081.51
  6. Step 6: Final answer
    x = 1,227,826.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.